#!/bin/sh

# This script sets the statusbar with the xsetroot command at the end. Have it
# started by ~/.xinitrc or ~/.xprofile.

# Set the deliminter character.
delim="|"

# testweather checks to see if the most recent forecast is up to date.  If it
# isn't, it downloads a new weather forecast, then signals to update the
# statusbar. Gets weather report from wttr.in.
testweather() { \
	[ "$(stat -c %y "$HOME/.local/share/weatherreport" 2>/dev/null | cut -d' ' -f1)" != "$(date '+%Y-%m-%d')" ] &&
		ping -q -c 1 1.1.1.1 >/dev/null &&
		curl -s "wttr.in/$location" > "$HOME/.local/share/weatherreport" &&
		notify-send "🌞 Weather" "New weather forecast for today." &&
		refbar
		}

# Here is the (big) function that outputs the appearance of the statusbar. It
# can really be broken down into many submodules which I've commented and
# explained.
status() { \

	# Get current mpd track filename or artist - title if possible.
	mpc -f "[[%artist% - ]%title%]|[%file%]" 2>/dev/null | grep -v "volume:" | head -n 1 && echo "$delim"

	# Get the volume of ALSA's master volume output.  Show an icon if or
	# not muted.
	echo "Vol"
	amixer get Master | grep -o "[0-9]*%\|\[on\]\|\[off\]" | sed "s/\[on\]//;s/\[off\]//"

	echo "$delim"

	# Wifi quality percentage and  icon if ethernet is connected.
	grep "^\s*w" /proc/net/wireless | awk '{ print "Wifi", int($3 * 100 / 70) "%" }'
	#sed "s/down//;s/up//" /sys/class/net/e*/operstate

	# Show unread mail if mutt-wizard is installed.
	command -v mw >/dev/null 2>&1 &&
		echo "$delim" &&
		du -a ~/.local/share/mail/*/INBOX/new/* 2>/dev/null | wc -l | sed 's/^/:/'
		echo "$delim"

	# Will show all batteries with approximate icon for remaining power.
	for x in /sys/class/power_supply/BAT?/capacity;
	do
	echo "Bat"
	cat $x
	echo "%"
	#case "$(cat $x)" in
	#	100|9[0-9])	echo "" ;;
	#	8[0-9]|7[0-9])	echo "" ;;
	#	6[0-9]|5[0-9])	echo "" ;;
	#	4[0-9]|3[0-9])	echo "" ;;
	#	*)		echo "" ;;
	#esac
	done && echo "$delim"

	# Date and time.
	date '+%Y %b %d (%a) %I:%M%p'
	}

while :; do
	# So all that big status function was just a command that quicking gets
	# what we want to be the statusbar. This xsetroot command is what sets
	# it. Note that the tr command replaces newlines with spaces. This is
	# to prevent some weird issues that cause significant slowing of
	# everything in dwm. Note entirely sure of the cause, but again, the tr
	# command easily avoids it.
	xsetroot -name "$(status | tr '\n' ' ')"

	# Check to see if new weather report is needed.
	testweather &

	# Sleep for a minute after changing the status bar before updating it
	# again. Note that the `refbar` "refreshes" the statusbar by killing
	# this command. Feel free to change the time interval if you want.
	sleep 1m
done
